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science questions #1

made in nov 30th 2017 mrs.rautos 6th grade class

QuestionAnswer
chemical or physical? flammability chemical
solubility physical
oxidation chemical
density physical
boiling point physical
explain the comparison/difference between the freezing point and the melting point the freezing point is when a substance turns from a liquid to a solid while melting point is when a solids to a liquid
true or false: there are about 400 known elements _ False
all of the elements combine in a variety of ways to make up all living things and non living things true
atoms of the same elements have different properties false
what's the answer? the part of a solution that does the dissolving is the... solvent
the part of a solution that gets dissolved is the... solute
__________ is the amount of a substance that can be dissolved into another substance is the... solubility
__________properties can be observed or measured without changing its chemical nature of matter physical
__________ properties describe a change in structure chemical
the temperature at which a substance turns from a liquid to gas is its ___________ boiling point
the temperature at which a substance turns from a solid to a liquid is its __________ melting point
___________ is a property that describes the relationship between mass and volume density
a homogeneous mixture of two or more substances (cant be separated) is called a __________ solution
___________ is a combination between two or more substances that keep their properties mixture
all matter is made of tiny particles a called__________ atoms
____________ is the amount of matter in an object mass
the theory of __________ of matter states that matter cannot be created or destroyed conservation
_____________ is anything that has mass and volume matter
the amount of space an object takes up is its____________ volume
an ____________ is a substance made of only one kind of atom element
an atom is the smallest part of a particle that still has the ___________ of that element properties
atoms are not tightly packed together and have so much energy that they slip past each other quickly in a ___________ gas
in a ___________ atoms are tightly packed together and vibrate in place solid
increased temperature means greater energy of motion so most substances ____________ expand
most substances can exist as a solid, liquid, or gas depending on the ____________ temperature
in a ____________atoms are tightly packed together but have enough energy to slide past each other liquid
when heat is ____________a solid becomes a liquid added
when heat is ____________ a liquid becomes a solid removed
fill in the blanks with yes or no... a solid has a define shape_______ a solid has a define volume_______ a solid has a define mass______ define shape yes define volume yes define mass yes
a liquid has a define shape______ a liquid has a define volume_______ a liquid has a define mass______ define shape no define volume yes define mass yes
a gas has a define shape_______ a gas has a define volume_______ a gas has a define mass_______ define shape no define volume yes define mass no
Created by: chareisi4264